Sports cycling downhill in indonesia has been florishing with the tournaments done middle season in several cities. The Batu city that became one of the convention of sports tournament cycling downhill with a row of mountains in the Batu City support the sports. Object design Downhill Park had a background by the presence of the development of sports cycling downhill who began rapidly, through calculation the total number of participants every unseasonably in 2011 - 2015 that experienced an increase in. Object design Downhill Park in the Batu City having the main objective of as facilities and infrastructures of sports cycling Downhill for the development sports to international national level. Besides aimed to be a development that focuses on sports cycling Downhill , object design Downhill Park also seek to be object that are useful for the environment to facilitate in the form of park themes a bicycle and entertainment .In purpose object as entertainment also supported with the development of Batu Cities that becomes one of the famous tourist in Indonesia. Design Downhill Park in the Batu City with the help from the theme a transformation that be limit thought in the design process .The theme transformation for a background to design Downhill Park by trying application principles the theme transformation into the design Downhill Park would type of change nature and basic movement cycling downhil.

The method of writing design Downhill Park in the Batu City is by search data from book source , the internet, and media observation directly in a comparative studies field. Observation the field be important things that done in the methods of the report because it is still lack of data on the development of sports cycling Downhill with relation towards an object design Downhill Park. Thought the concept in object design Downhill Park is through thought strategy transformation of lending (borrowing) a way based on movement basic cycling downhill (pictorial transferring of downhill technics). Thought lending (borrowing) a way the applied to forms by classifying movement basic cycling Downhill into three kind of movement of the motion of the balance , movement proportion and movement prevention accident to the steep. The results of thought basic cycling Downhill this will be the development in the concept of the form, for space, for tread, the structure and utility.